Portable dialogue engine

ABSTRACT

A method includes generating a request for a user interaction, the request being generated by an application implementing business logic on a computer system; receiving the request at a first user interface driver that drives a first user interface and at a second user interface driver that drives a second user interface; receiving a user interaction via the first user interface; pausing the second user interface; and synchronizing the first user interface driver and the second user interface driver.

CROSS-REFERENCE TO RELATED APPLICATION

The present application claims the benefit of U.S. Provisional Application No. 62/101,178 for a Portable Dialogue Engine filed Jan. 8, 2015, which is incorporated herein by reference in its entirety.

FIELD OF THE INVENTION

The invention is generally related to a dialogue engine, and, more specifically, to a dialogue engine that presents voice views with the same interface as corresponding graphical views.

BACKGROUND

Business logic and dialogue processing are intermixed in conventional voice and touchscreen activity management systems. These conventional systems generally have a primary user interface such as a voice interface, which interacts with a secondary visual user interface. However, conventional systems do not equate dialogue engines to display drivers. Thus, conventional dialogue engines do not utilize the architecture of multiple primary interfaces.

SUMMARY

In an aspect of the invention, a method comprises: generating a request for a user interaction, the request being generated by an application implementing business logic on a computer system; receiving the request at a first user interface driver that drives a first user interface and at a second user interface driver that drives a second user interface; receiving a user interaction via the first user interface; pausing the second user interface; and synchronizing the first user interface driver and the second user interface driver.

In an embodiment, the method comprises the first and second user interface drivers generating different user interface modes on multiple user interfaces transparent to the application.

In another embodiment, the first and second user interface drivers include a dialogue engine driving a voice interface and a graphical user interface driver driving a graphical user interface.

In an embodiment, the dialogue engine is paused when the received user interaction is from the graphical user interface.

In an embodiment, the voice interface comprises a headset.

In an embodiment, the graphical user interface comprises a touchscreen display device.

In another embodiment, synchronizing the first and second user interface drivers comprises: receiving further user interactions via the first user interface; continuing to pause the second user interface; receiving a user selection via the first user interface indicating a switch to the second user interface; and updating the second user interface to provide a next state of the application to the user.

In yet another embodiment, the method comprises returning to a state following a state of the second user interface following a prior state of the second user interface before the user provided a request via the first user interface.

In an embodiment, the first and second user interface drivers provide a state of the application to an interface synchronizer.

In an embodiment, the application generated request conveys an interface independent request for a user interaction, including conveying information to the user and receiving information from the user, wherein driver execution of the request is transparent to the application and the received information from the user is provided to the application by either the first or second interface driver in the same manner.

In another aspect of the invention, a machine readable storage device has instructions for execution by a processor of the machine to perform a method comprising: generating a request for a user interaction, the request being generated by an application implementing business logic on a computer system; receiving the request at a first user interface driver that drives a first user interface and at a second user interface driver that drives a second user interface; receiving a user interaction via the first user interface; pausing the second user interface; and synchronizing the first user interface driver and the second user interface driver.

In an embodiment, the method performed by the processor comprises the first and second user interface drivers generating different user interface modes on the user interfaces transparent to the application, wherein the two user interface drivers include a dialogue engine driving a voice interface and a graphical user interface driver driving a graphical user interface.

In an embodiment, the dialogue engine is paused when the received user interaction is from the graphical user interface.

In another embodiment, the voice interface comprises a headset and the graphical user interface comprises a touchscreen display device.

In another embodiment, synchronizing the user interface drivers comprises: receiving further user interactions via the first user interface; continuing to pause the second user interface; receiving a user selection via the first user interface indicating a switch to the second user interface; and updating the second user interface to provide a next state of the application to the user.

In an embodiment, the method performed by the processor comprises returning to a state following a state of the second user interface following a prior state of the second user interface before the user provided a request via the first user interface.

In yet another aspect of the invention a device comprises: a processor; and a memory device coupled to the processor and having a program stored thereon for execution by the processor to: generate a request for a user interaction, the request being generated by an application implementing business logic on a computer system; receive the request at a first user interface driver that drives a first user interface and at a second user interface driver that drives a second user interface; receive a user interaction via the first user interface; pause the second user interface; and synchronize the first user interface driver and the second user interface driver.

In an embodiment, the device comprises the first and second interface drivers generating different user interface modes on the user interfaces transparent to the application, wherein the first and second user interface drivers include a dialogue engine driving a voice interface and a graphical user interface driver driving a graphical user interface, and wherein the dialogue engine is paused when the received user interaction is from the graphical user interface.

In an embodiment, the voice interface comprises a headset and the graphical user interface comprises a touchscreen display device.

In another embodiment, synchronizing the first and second user interface drivers comprises: receiving further user interactions via the first user interface; continuing to pause the second user interface; receiving a user selection via the first user interface indicating a switch to the second user interface; and updating the second user interface to provide a next state of the application to the user.

BRIEF DESCRIPTION OF THE DRAWINGS

The invention will now be described by way of example, with reference to the accompanying Figures, of which:

FIG. 1 is a block diagram of a system using multiple application transparent user interface mechanisms;

FIG. 2 is a block pseudo-code representation of a function to be implemented by multiple application transparent user interface mechanisms;

FIG. 3 is a flowchart of a method of interacting with a user through multiple user interfaces;

FIG. 4 is a flowchart of a method of interacting with a user through multiple user interface modes;

FIG. 5 is flowchart of a confirm dialogue method; and

FIG. 6 is a block diagram of a computer system.

DETAILED DESCRIPTION

In the following description, reference is made to the accompanying drawings that form a part hereof, and in which is shown by way of illustration specific embodiments which can be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention, and those skilled in the art would understood that other embodiments can be utilized, and that structural, logical and electrical changes can be made without departing from the scope of the invention. The following description of exemplary embodiments is, therefore, not to be taken in a limited sense, and the scope of the invention is defined by the appended claims.

The functions or algorithms described herein can be implemented in software or a combination of software and human implemented procedures in different embodiments. The software can include computer executable instructions stored on computer readable media or computer readable storage device such as one or more memory or other type of hardware based storage devices, either local or networked. Further, such functions correspond to modules, which are software, hardware, firmware, or any combination thereof. Multiple functions can be performed in one or more modules as desired, and the embodiments described are merely examples. The software can be executed on a digital signal processor, ASIC, microprocessor, or other type of processor operating on a computer system, such as a personal computer, server or other computer system.

Interaction between a dialogue engine and business logic in a voice based work management system is provided using multiple primary user interfaces. The dialogue engine has been enhanced to behave more like a graphical view. The dialogue engine presents voice views that have the same interface as graphical views. As such, a work management application interacts with the voice views identically to how the work management application interacts with graphical user interface (GUI) views.

In various embodiments, a unique architecture allows a dialogue view to be paused while the GUI view has the user's full focus.

In various embodiments, a dialogue engine is equated to a display driver. Since the dialogue is now a view, the application does not have to do any special handling of the dialogue. As a result, the specifics of “presenting” a voice view are encapsulated in the dialogue engine, while the specifics of presenting the GUI view are encapsulated in a GUI driver.

In an embodiment shown in FIG. 1, a system 100 illustrating use of multiple application transparent mechanisms to interact with a user. An application 110 can include business logic. In an embodiment, application 110 includes an application designed to interact with workers in a retail store or distribution center to coordinate activities of the workers. The application 110 can generate a request that includes information to be presented to the user. One example of an activity can include finding a product. Further activities can identify what to do with the product, such as performing an inventory, restocking, re-labeling, or other common activities performed in the retail store or distribution center.

In an embodiment, the request is provided via a communication link 115 to a dialogue engine or module 120 and a graphical user interface (GUI) module or driver 125. The dialogue engine 120 drives a headset 130 which can include a speaker and microphone in various embodiments, as well as other headset electronics know to those skilled in the art. The dialogue engine 120 and headset 130 can be coupled by a multiple conductor cable, or wirelessly, such as through Bluetooth™ or other common wireless protocols. The GUI driver 125 is coupled to a display 135 to provide a graphical user interface on the display 135, such as a touchscreen. The dialogue engine 120 and GUI driver 125 can be coupled via an interface synchronizer 140, which is represented as a separate module in the embodiment shown in FIG. 1, but in other embodiments can reside anywhere. The interface synchronizer 140 provides synchronization functions that operate to ensure the interface driver 125 and dialogue engine 120 are in synch with each other as described in further detail below.

In an embodiment shown in FIG. 2, an illustration 200 shows separation of functions between an application and multiple user interface modes. First column 210 illustrates application/business logic pseudocode that identifies a function that can result in interactions with a user/worker to obtain information from the user. The code 210 illustrates a “Get Information” (or “Get Confirmation”) function that is designed to obtain check digits from a product that is found by a worker. This is just one example function, but is used to illustrate the transparent nature of the actual interface presentations by the dialogue engine 120 and GUI interface 125.

The Get Confirmation function identifies a prompt that is to be provided to the user, and defines an expected result to be received back from the user. In a second column 220, the dialogue engine 120 implements the function with dialogue constructs, including speaking a prompt, setting up grammar in a recognizer, listening for a response, determining if the response is correct and returning, or if not correct speaking that the response was wrong and prompting the user to try again, and returning to the listening dialogue construct.

Alternatively, the Get Confirmation function results in the GUI functions indicated in third column 230, where a visual prompt is provided, input is received, an expected result is received and compared, returning if correct, otherwise displaying that it is incorrect and starting over by providing the visual prompt again.

Thus, both methods of interfacing with a user to obtain information from the user to implement the Get Confirmation function are transparent to the application/business logic. Many other such functions can be implemented in the same manner, with implementation detail being hidden in the respective interface drivers 120,125.

In an embodiment shown in FIG. 3, a first method 600 of interacting with a user through multiple user interfaces includes generating a request for a user interaction with an application implementing business logic at block 610; receiving the request at two user interface drivers at block 620; receiving a user interaction through the first user interface at block 630; pausing the second user interface at block 640; synchronizing the first and second user interface drivers with an interface synchronizer 140 at block 650; and generating different user interfaces on multiple user interfaces transparent to the application at block 660. The first and second interface drivers include the dialogue engine 120 driving a voice interface, and the graphical user interface 125 driving a graphical user interface. In an embodiment, synchronizing the user interface drivers 120, 125 comprises receiving further user interactions via either the voice user interface or graphical user interface; continuing to pause the second user interface; receiving a user selection via the first user interface indicating a switch to the second user interface; and updating the second user interface to provide a next state of the application to the user.

In another embodiment, the first method 600 includes returning to a state following a state of the second user interface following a prior state of the second user interface before the user provided a request via the first user interface. The two user interface drivers 120, 125 provide a state of the application to the interface synchronizer 140.

In an embodiment, the application generated request conveys an interface independent request for a user interaction, including conveying information to the user and receiving information from the user, wherein driver execution of the request is transparent to the application and the received information from the user is provided to the application by either driver 120, 125 in the same manner.

In an embodiment shown in FIG. 4, a method 300 of interacting with a user via multiple user interface modes includes an application that implements business logic can generate a user interaction request at 310. The request can be received by one or more user interface drivers at 315. In various embodiments, the user interface drivers can include a dialogue engine 120 for interacting with a user via voice, and a GUI driver 125, for interacting with a user via a graphical user interface, such as a touchscreen, or display with a keyboard or keypad. In an embodiment, both drivers 120, 125 can generate respective user interfaces at 320 based on the request. If at 325, a user interacts with the GUI via the touchscreen or physical input device, the dialogue engine 120 can be paused, such as by an interface synchronizer 140, so as not to provide further voice indications to the user, which might be inconsistent with the state of the GUI interface 135. Further user interface interactions are then conducted via the GUI driver 125 at 330.

The user can continue using the GUI interface 135, or can switch back to the dialogue engine 120 and interact via voice communications at 335. The GUI interface 135 can provide a button to switch in one embodiment. When the indication to switch back to voice is received from the user GUI interface 135 at 335, the interfaces 120,125 are synchronized at 340 such that they are both displaying a same state or level of the application. The user can then interact with the application using voice at 345, or can also revert back to the GUI interface 135, which again causes the dialogue engine 120 to pause.

In an embodiment, the application state can progress from state to state or level to level according to an application implementing business logic 210. For instance, if a list of questions is to be provided by the application, the GUI driver 125 can provide the list in a scrollable display 135, while the dialogue engine 120 will read successive questions to the user and answer in a sequential manner. Using the GUI display 135, a user can skip ahead to answer a question via interaction with the GUI display 135. If the user wants to switch back to use voice, the dialogue engine 120 can be synchronized to read the question following the question just answered via the GUI interaction. When an end of the list is reached, the dialogue engine 120 can then return to the question following the question last answered via voice, and continue.

In a further embodiment, synchronization can be used to return to the question following the question last answered via voice and continue on down the list, but skip questions already answered via the GUI device 135. Many different synchronization schemes can be used in various embodiments.

In an embodiment shown in FIG. 5, a method 400 of a confirm dialogue using a dialogue engine 120 includes receiving an application request by the dialogue engine 120 that confirms a task or activity is being completed by a user, who can be a worker in a retail store or distribution center for example at 410. An expected result is obtained by the dialogue engine 120 at 415. The dialogue engine can then speak a prompt asking for information from the user at 420. In an embodiment, the activity can be to find a product. The corresponding prompt can be a request for receiving voice input from the worker representative of check-digits associated with the product when the product has been found. The voice input is received and recognized by the dialogue engine 120 at 425, and compared to the expected result at 430. Since the expected result is known, probabilities that the voice matches the expected result can be lowered without loss of accuracy.

In an embodiment shown in FIG. 6, an exemplary computer system 500 implements the disclosed methods. All components need not be used in various embodiments. One exemplary computing device is in the form of a computer 500, and includes one or more of a processing unit 502, memory 503, removable storage 510, and non-removable storage 512. Although the exemplary computing device is shown and described as computer 500, the computing device can be in different forms in different embodiments. For example, the computing device can instead be a smartphone, a tablet, smartwatch, or other computing device including the same or similar elements as illustrated and described with regard to FIG. 6. Devices such as smartphones, tablets, and smartwatches are generally collectively referred to as mobile devices. Further, although the various data storage elements are illustrated as part of the computer 500, the storage can also or alternatively include cloud-based storage accessible via a network, such as the Internet.

Memory 503 can include volatile memory 514 and non-volatile memory 508. Computer 500 includes or has access to a computing environment that includes—a variety of computer-readable media, such as volatile memory 514 and non-volatile memory 508, removable storage 510 and non-removable storage 512. Computer storage includes random access memory (RAM), read only memory (ROM), erasable programmable read-only memory (EPROM) & electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technologies, compact disc read-only memory (CD ROM), Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium capable of storing computer-readable instructions.

Computer 500 can include or have access to a computing environment that includes input 506, output 504, and a communication connection 516. Output 504 can include a display device, such as a touchscreen, that also can serve as an input device. The input 506 can include one or more of a touchscreen, touchpad, mouse, keyboard, camera, one or more device-specific buttons, one or more sensors integrated within or coupled via wired or wireless data connections to the computer 500, and other input devices. The computer can operate in a networked environment using a communication connection to connect to one or more remote computers, such as database servers. The remote computer can include a personal computer (PC), server, router, network PC, a peer device or other common network node, or the like. The communication connection can include a Local Area Network (LAN), a Wide Area Network (WAN), cellular, WiFi, Bluetooth, or other networks.

Computer-readable instructions stored on a computer-readable medium are executable by the processing unit 502 of the computer 500. A hard drive, CD-ROM, and RAM are some examples of articles including a non-transitory computer-readable medium such as a storage device. The terms computer-readable medium and storage device do not include carrier waves. For example, a computer program 518 capable of providing a generic technique to perform access control check for data access and/or for doing an operation on one of the servers in a component object model (COM) based system can be included on a CD-ROM and loaded from the CD-ROM to a hard drive. The computer-readable instructions allow computer 500 to provide generic access controls in a COM based computer network system having multiple users and servers.

Although a few embodiments have been described in detail above, other modifications are possible. For example, the logic flows depicted in the figures do not require the particular order shown, or sequential order, to achieve desirable results. Other steps can be provided, or steps can be eliminated, from the described flows, and other components can be added to, or removed from, the described systems. Other embodiments can be within the scope of the following claims.

To supplement the present disclosure, this application incorporates entirely by reference the following patents, patent application publications, and patent applications:

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What is claimed is:
 1. A method comprising: generating a request for a user interaction, the request being generated by an application implementing business logic on a computer system; receiving the request at a first user interface driver that drives a first user interface and at a second user interface driver that drives a second user interface; receiving a user interaction via the first user interface; pausing the second user interface; and synchronizing the first user interface driver and the second user interface driver.
 2. The method of claim 1, comprising the first and second user interface drivers generating different user interface modes on multiple user interfaces transparent to the application.
 3. The method of claim 1, wherein the first and second user interface drivers include a dialogue engine driving a voice interface and a graphical user interface driver driving a graphical user interface.
 4. The method of claim 3, wherein the dialogue engine is paused when the received user interaction is from the graphical user interface.
 5. The method of claim 3, wherein the voice interface comprises a headset.
 6. The method of claim 3, wherein the graphical user interface comprises a touchscreen display device.
 7. The method of claim 1, wherein synchronizing the first and second user interface drivers comprises: receiving further user interactions via the first user interface; continuing to pause the second user interface; receiving a user selection via the first user interface indicating a switch to the second user interface; and updating the second user interface to provide a next state of the application to the user.
 8. The method of claim 1, comprising returning to a state following a state of the second user interface following a prior state of the second user interface before the user provided a request via the first user interface.
 9. The method of claim 1, wherein the first and second user interface drivers provide a state of the application to an interface synchronizer.
 10. The method of claim 1, wherein the application generated request conveys an interface independent request for a user interaction, including conveying information to the user and receiving information from the user, wherein driver execution of the request is transparent to the application and the received information from the user is provided to the application by either the first or second interface driver in the same manner.
 11. A machine readable storage device having instructions for execution by a processor of the machine to perform a method comprising: generating a request for a user interaction, the request being generated by an application implementing business logic on a computer system; receiving the request at a first user interface driver that drives a first user interface and at a second user interface driver that drives a second user interface; receiving a user interaction via the first user interface; pausing the second user interface; and synchronizing the first user interface driver and the second user interface driver.
 12. The device of claim 11, comprising the first and second user interface drivers generating different user interface modes on the user interfaces transparent to the application, wherein the two user interface drivers include a dialogue engine driving a voice interface and a graphical user interface driver driving a graphical user interface.
 13. The device of claim 12, wherein the dialogue engine is paused when the received user interaction is from the graphical user interface.
 14. The device of claim 13, wherein the voice interface comprises a headset and the graphical user interface comprises a touchscreen display device.
 15. The device of claim 11, wherein synchronizing the user interface drivers comprises: receiving further user interactions via the first user interface; continuing to pause the second user interface; receiving a user selection via the first user interface indicating a switch to the second user interface; and updating the second user interface to provide a next state of the application to the user.
 16. The method of claim 15, comprising returning to a state following a state of the second user interface following a prior state of the second user interface before the user provided a request via the first user interface.
 17. A device comprising: a processor; and a memory device coupled to the processor and having a program stored thereon for execution by the processor to: generate a request for a user interaction, the request being generated by an application implementing business logic on a computer system; receive the request at a first user interface driver that drives a first user interface and at a second user interface driver that drives a second user interface; receive a user interaction via the first user interface; pause the second user interface; and synchronize the first user interface driver and the second user interface driver.
 18. The device of claim 17, comprising the first and second interface drivers generating different user interface modes on the user interfaces transparent to the application, wherein the first and second user interface drivers include a dialogue engine driving a voice interface and a graphical user interface driver driving a graphical user interface, and wherein the dialogue engine is paused when the received user interaction is from the graphical user interface.
 19. The device of claim 17, wherein the voice interface comprises a headset and the graphical user interface comprises a touchscreen display device.
 20. The device of claim 17 wherein synchronizing the first and second user interface drivers comprises: receiving further user interactions via the first user interface; continuing to pause the second user interface; receiving a user selection via the first user interface indicating a switch to the second user interface; and updating the second user interface to provide a next state of the application to the user. 